General meaning:
* ആദ്യ പ്രവേശനം (aadyapraveshanam): This literally translates to "first entrance," and is the most common and accurate translation for "debut" in general.
* ആദ്യ അവതരണം (aadyavataranam): This means "first presentation" and is another good option for "debut" in most contexts.
Specific contexts:
* For a movie/play/musical: "ആദ്യ പ്രദർശനം (aadyapradarshanam)" - "first performance"
* For a sports player: "ആദ്യ മത്സരം (aadyamatsaram)" - "first match"
* For a fashion model: "ആദ്യ റൺവേ പ്രവേശനം (aadyarunwaypraveshanam)" - "first runway entrance"
It's important to consider the specific context in which you are using the word "debut" to choose the most appropriate Malayalam translation.